Hairstylist Susan Monahan says that Violet Shampoo is the magical product. Some women are afraid of using it, as they think its electric violet color may spoil their bathtub, needless to say about their blonde hair. But in fact, there is nothing to worry about. It is able to neutralize brassy shades. Of course, it canโt replace an experienced coloristโs work, but the shampoo can help you have bright blond shade for a few months, stretching out the time between salon visits. According to celebrity colorist Ryan Pearl, this product is especially indispensable in cities, where the water contains many minerals that cause rusting. Such hard water can simply ruin your hair. Victoria Hunter admits that Violetย Shampoo neutralizes yellowish shades and makes blond hair brighter.